The WRM15 Dual Battery is a 15A MPPT solar charge controller developed by Western CO for off-grid systems requiring dual battery management. It is specifically designed for marine and caravan applications, where one battery powers onboard services and the second is used for engine start or critical systems.

This controller can charge two batteries simultaneously from a single PV source and features Bluetooth® control via the Western Monitor App, available on both Android and iOS platforms.

🛡️ Comes with a 5-year warranty from Western CO, ensuring dependable operation in the most demanding environments.

📦 Available Versions:

WRM15 Dual Battery – with Bluetooth® App control

WRM15 Dual Battery E – with Bluetooth® App + RS485 communication

🔧 Key Features:

✅ 15A MPPT charging with high efficiency for 12V / 24V systems
✅ Dual battery support – independent charging management for each battery
✅ Bluetooth® smartphone control via Western Monitor App (iOS & Android)
✅ USB port – for mobile device charging
✅ Load output – for powering 12V accessories directly
✅ Optional RS485 interface – for remote diagnostics (available on E version)
✅ Compact & rugged design – ideal for mobile, marine, and outdoor use

🔗 Ideal For:

✔ Boats and yachts with dual battery systems
✔ Caravans and RVs with solar charging setups
✔ Off-grid applications requiring mobile or remote power

🔧 Backed by a 5-Year Warranty from Western CO

🚀 Smart, mobile-ready solar control designed for full energy independence on the move.